а) \(\frac{1}{8} = \frac{2}{16}\)
б) \(\frac{12}{14} = \frac{6}{7}\)
в) \(\frac{15}{20} = \frac{3}{4}\)
г) \(\frac{48}{72} = \frac{2}{3}\)
Ответ: а) \(\frac{2}{16}\), б) \(\frac{6}{7}\), в) \(\frac{3}{4}\), г) \(\frac{2}{3}\)